import { WHITE } from '../common/color'
const defaultOptions = {
  selector: '#van-notify',
  type: 'danger',
  message: '',
  background: '',
  duration: 3000,
  zIndex: 110,
  top: 0,
  color: WHITE,
  safeAreaInsetTop: false,
  onClick: () => {},
  onOpened: () => {},
  onClose: () => {},
}
let currentOptions = Object.assign({}, defaultOptions)
function parseOptions(message) {
  if (message == null) {
    return {}
  }
  return typeof message === 'string' ? { message } : message
}
function getContext() {
  const pages = getCurrentPages()
  return pages[pages.length - 1]
}
export default function Notify(options) {
  options = Object.assign(Object.assign({}, currentOptions), parseOptions(options))
  const context = options.context || getContext()
  const notify = context.selectComponent(options.selector)
  delete options.context
  delete options.selector
  if (notify) {
    notify.setData(options)
    notify.show()
    return notify
  }
  console.warn('未找到 van-notify 节点，请确认 selector 及 context 是否正确')
}
Notify.clear = function (options) {
  options = Object.assign(Object.assign({}, defaultOptions), parseOptions(options))
  const context = options.context || getContext()
  const notify = context.selectComponent(options.selector)
  if (notify) {
    notify.hide()
  }
}
Notify.setDefaultOptions = (options) => {
  Object.assign(currentOptions, options)
}
Notify.resetDefaultOptions = () => {
  currentOptions = Object.assign({}, defaultOptions)
}
